Override tint color in document browser

Buttons were invisible in light mode.

Fixes #145

CHANGELOG.md

@@ -5,12 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 1.11.4 Beta 2355 (2020-05-23)
+## Unreleased
 
 ### Added
 
 - Customize host endpoint.
 
+### Fixed
+
+- Invisible buttons in document browser. [#145](https://github.com/passepartoutvpn/passepartout-ios/issues/145)
+
 ## 1.11.3 (2020-05-21)
 
 ### Added

Passepartout-iOS/Global/Theme.swift

@@ -94,6 +94,9 @@ extension Theme {
         bar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: palette.primaryLightText]
         bar.largeTitleTextAttributes = bar.titleTextAttributes
         
+        let pickerBar = UINavigationBar.appearance(whenContainedInInstancesOf: [UIDocumentBrowserViewController.self])
+        pickerBar.tintColor = nil
+
         let toolbar = UIToolbar.appearance()
         toolbar.barTintColor = palette.primaryBackground
         toolbar.tintColor = palette.primaryLightText